Future Opportunities: Senior Software Developer - Product Engineering
WFA Digital Insight
Wealthsimple’s product engineering arm isn’t a generic backend shop; it sits at the crossroads of investing, banking, growth and emerging AI products. This senior role hands you a domain to own, meaning the code you write will directly influence features that millions of Canadians use daily—whether that’s a trading interface or a tax‑filing tool. The team expects you to swing between Ruby services and React‑based front‑ends, while also navigating regulatory constraints that add a layer of complexity few fintech firms face. What sets this posting apart is the explicit call for AI‑centric workflows: you’ll be expected to prototype and embed AI tooling into the development pipeline, shaping how the organization ships software at scale.
Job Description
BUILD SOMETHING PEOPLE LOVE Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving. Wealthsimple currently serves more than 4 million Canadians and holds over $155 billion in assets under administration. The company was founded in 2014 by a team of financial experts and technology entrepreneurs, and is headquartered in Toronto, Canada. We're proud of what we've built — and we're just getting started. Read our Culture Manual https://www.wealthsimple.com/en-ca/culture and learn more about how we work https://www.wealthsimple.com/en-ca/careers. TALENT POOL DISCLAIMER: WE REVIEW APPLICATIONS ON AN ONGOING BASIS AND REACH OUT PROACTIVELY WHEN YOUR EXPERIENCE LINES UP WITH A CURRENT OR UPCOMING OPPORTUNITY. APPLYING HERE WON’T TIE YOU TO A SINGLE ROLE OR GUARANTEE AN IMMEDIATE INTERVIEW; INSTEAD, IT PUTS YOUR PROFILE IN FRONT OF OUR TEAM AND KEEPS YOU IN OUR TALENT NETWORK FOR FUTURE PRODUCT ENGINEERING OPENINGS. WE AIM TO PROVIDE FEEDBACK TO EVERYONE, BUT DEPENDING ON DEMAND AND REVIEW TIMELINES, RESPONSES MAY BE DELAYED. ABOUT PRODUCT ENGINEERING AT WEALTHSIMPLE: Product Engineering at Wealthsimple drives the development of our core offerings across Investing, Banking, Growth, and AI Products. The team builds intuitive, high-impact features that help millions of clients achieve their financial goals, working closely with Product and Design to bring user-centric ideas to life. As part of Wealthsimple’s broader engineering organization, Product Engineering operates in high-autonomy teams with an agile, high-iteration approach, rigorous automated testing, and frequent deployments to ship fast while maintaining quality. IN THESE ROLES YOU'LL HAVE THE OPPORTUNITY TO: - Take ownership of a domain and grow it. Our product is in a stage where the right senior engineer can have an outsized influence on what we build, how we build it, and where we go next. You'll own meaningful slices of the product end-to-end, partnering with product and design to ship features that real customers depend on.
- Work across the full stack on high-impact features.
- Solve complex, high-stakes problems.
- Act as a technical leader within the domain. Influence architecture decisions, raise the bar on code quality and operational excellence, mentor teammates, and help define the technical strategy for the domain.
- Leverage AI-centric workflows to ship faster and safer. We invest heavily in AI tooling for engineers, and we expect senior developers to push the frontier of how we use these tools to deliver production-grade software.
- Drive process and engineering excellence. Senior engineers on our team don't just ship features, they identify what's slowing the team down and fix it. You'll help evolve how we plan, build, review, deploy, and operate, partnering with your engineering manager to make the team measurably better over time.
- Collaborate across the broader organization.
- Comfort working across the stack: Full-stack, front-end-leaning or backend-leaning experiences. Our frontend is React and React Native. And our primary backend stack is Ruby on Rails, and Kotlin or Java experience is a strong nice-to-have.
- An AI-first development workflow that doesn't compromise on rigour. You've moved beyond using AI as autocomplete and into genuinely agentic workflows across the full development lifecycle: building, testing, reviewing, and reasoning about security in the software you ship.
- A maker-owner mindset.
- Excitement for complex, high-impact problems.
- Technical leadership and mentorship instincts.
- A bias toward driving improvement. You notice when something isn't working, a process, a system, a piece of infrastructure and you do something about it.
- Strong cross-functional collaboration. You communicate clearly with product, design, compliance, operations, and partner engineering teams.
How to Stand Out
- Highlight any projects where you built end‑to‑end features using Ruby and React, especially those involving compliance constraints.
- Include a short demo or code sample that showcases your ability to manipulate data with Excel‑style formulas or APIs.
- Prepare to discuss how you have used AI or automation tools to speed up testing or deployments.
- Emphasize remote‑work discipline: mention your setup, communication habits, and experience with async collaboration.
- Research Wealthsimple’s product suite ahead of interviews; being able to reference specific user‑facing features shows genuine interest.
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